GB2539478A - Electrochemical cell and process - Google Patents
Electrochemical cell and process Download PDFInfo
- Publication number
- GB2539478A GB2539478A GB1510675.0A GB201510675A GB2539478A GB 2539478 A GB2539478 A GB 2539478A GB 201510675 A GB201510675 A GB 201510675A GB 2539478 A GB2539478 A GB 2539478A
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- United Kingdom
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- electrochemical cell
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- cathode
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/02—Preparation, purification or separation of ammonia
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/02—Preparation, purification or separation of ammonia
- C01C1/04—Preparation of ammonia by synthesis in the gas phase
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/02—Hydrogen or oxygen
- C25B1/04—Hydrogen or oxygen by electrolysis of water
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
- C25B9/17—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
- C25B9/70—Assemblies comprising two or more cells
- C25B9/73—Assemblies comprising two or more cells of the filter-press type
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Inorganic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
An electrochemical cell 10 has a first volume 1 exposed to an anode 28 and a cathode 24, the cell having a steam inlet 5 to allow steam into the first volume 1, characterised in that an electrically insulating porous material (4) is positioned to impede steam from the steam inlet 5 from reaching the anode 28. The insulating porous material (4) may be an aerogel and the electrodes 24, 28 may be porous gas electrodes. A source material may be steam; a first ionic component may be nitride ions; a second source material may be nitrogen and a gaseous product may be ammonia.
Description
ELECTROCHEMICAL CELL AND PROCESS
The present invention relates to electrochemical cells, particularly electrochemical cells for synthesis of ammonia 5 NH3. The present invention also relates to processes for synthesis of ammonia NH3, Known approaches to the requirement for synthesis of ammonia include: (1) Haber Bosch process -pressurization and heating of N2 and H2 over an iron catalyst; (2) Electrochemical synthesis with a molten salt electrolyte and gas electrodes [1-3]; and ( 3) Electrochemical synthesis with a solid electrolyte and eletrocatalytic electrodes [4-6].
[1] Murakami T., T. Nishikiori, T. Wohira, and Y. Ito, "Electrolytic Synthesis of Ammonia in Molten Salts Under Atmospheric Pressure", J. Amer. Chem. Soc. 125 (2) , pp. 33420 335 (2003).
[2] Murakami T. et al., "Electrolytic Ammonia Synthesis from Water and Nitrogen Gas in Molten Salt Under Atmospheric Pressure", Electrochim. Acta 50 (27), pp. 5423-5426 (2005).
[3] US Patent 6,881,308 B2 [4] Marnellos,G., Zisekas,S., and Stoukides,M. (2000). Synthesis of ammonia at atmospheric pressure with the use of solid state proton conductors. J. Catal. 193, 80-88. doi:10.1006/icat.2000.2877 [5] Lan, R., Irvine, J.T.S., and Tao, S.(2013). Synthesis of 30 ammonia directly from air and water at ambient temperature and pressure. Sci.Rep. 3, 1145. doi:10.1038/srep01145 [6] Skodra, A., and Stoukides, M. (2009). Electrocatalytic synthesis of ammonia from steam and nitrogen at atmospheric pressure. Solid State Ionics 180, 1332-1336.
The present invention seeks to provide alternative methods and apparatus for the synthesis of ammonia from water and nitrogen N2.
Accordingly, the invention provides methods and apparatus as defined in the appended claims.
The above, and further, objects, characteristics and 10 advantages of the present invention will become more apparent from the following description of certain embodiments thereof, in conjunction with the appended claims wherein: Fig. 1 illustrates an exemplary electrochemical cell as 15 provided by an embodiment of the present invention.
The embodiment of the invention shown in Fig. 1 comprises an electrochemical cell 10 with three porously oartitioned volumes 1-3.
The first volume 1 contains a nitride conductor 20 such as a molten salt eutectic, for example LiCl/KC1/Li2N. In use, steam H2O is introduced into this first volume through a steam inlet 5. A steam diffuser 22 may be provided to ensure 25 wide distribution of inlet steam.
The second volume 2 is a cathode gas electrode. Nitrogen gas N2 26 is introduced into this gas electrode, on a surface of the porous electrode 24 away from the nitride conductor 20.
The third volume 3 is an anode gas electrode. A porous electrode 28 is in contact with the nitride conductor 20 on one side.
A DC power supply 7 applies a potential difference between the two porous electrodes 24, 28, with the more positive voltage +V being applied to the anode gas electrode 3 and the more negative voltage -V being applied to the cathode gas electrode 2. Typically, the applied potential difference may be in the region of 0.5 V to 2 V. In use, nitrogen gas is reduced to nitride ions at the gas cathode 2: N2 + 6 e 2 N3 Within the nitride conductor 20, the nitride ions migrate towards the anode under the influence of the voltage gradient between the anode and the cathode. Within the nitride conductor 19, the nitride ions encounter and react with steam (water) to produce ammonia: 2 FS' + 3 H2O 2 NH2 + 3 02-Ammonia is accordingly produced from nitrogen gas and steam. 20 The ammonia diffuses through the nitride conductor 20 to be evolved at the surface of the nitride conductor. An enclosure 6 traps the evolved ammonia gas and allows it to be harvested. The resulting oxide ions migrate towards the anode under the potential gradient between the electrodes. The anode reaction returns electrons to the DC power supply and generates oxygen into the gas anode electrode: 2 02 02 + 4 e.
According to a feature of the present invention, an electrically insulating porous material 4, preferably an aerogel material, is placed between the porous anode 28 and the nitride conductor 20. The electrically insulating porous material may be bonded to the porous anode 28 or may simply be immersed in the nitride conductor. Oxide ions 02-diffuse through the electrically insulating porous material 4 to the anode 28 under the influence of the potential gradient between the anode 28 and the cathode 24. Water molecules do not tend to diffuse through the electrically insulating porous material due to their neutral charge and therefore lack of driving force under the influence of the potential gradient between the anode 28 and the cathode 24.
The electrically insulating porous material 4 shields the porous anode from the water molecules (steam) within the nitride conductor. In the absence of such an electrically insulating porous material shield, the following unwanted reduction would take place at the anode and would contaminate the evolved ammonia NH, with hydrogen H2 as well as providing a competing side reaction thereby reducing the efficiency: 3 EHO 2 02 EiIs 6 e Ammonia gas trapped in enclosure 6 is dried and cleaned as necessary, and may be stored for later use.
The structure of the electrochemical cell of the present invention allows steam H2O to be used as the source of hydrogen in the ammonia product, rather than hydrogen H2 as was commonly the case in conventional methods and apparatus for synthesising ammonia. This enables the electrochemical synthesis of ammonia NH, without requiring a separate electrolysis stage to generate hydrogen H2, or the need to buy and store hydrogen H2, resulting in a much simpler system design.
A particular feature of the present invention is the electrically insulating porous material 4 which acts as an electrode protector, preventing steam from reaching the anode. The electrically insulating porous material should be an electrically insulating structure which allows the passage of oxide ions 02 under the influence of the applied potential gradient, but not the diffusion of water molecules H20.
The electrically insulating porous material may be a sol-gel derived silica aerogel. The texture and porosity of a such an aerogel may be controlled to provide desired properties.
The resulting silica can exist as a relatively dense, microporous xerogel or it can be synthesized as a non-dense, mesoporous aerogel. The three dimensional structure and porosity properties of silica aerogel impart certain advantages in the present application. Surface area can be high (>800 m2/g), average pore size is in the mesoporous regime (2-50 nm), and the pores exist as an interconnected network.
While the present invention has been described with particular reference to the application of ammonia synthesis from steam and nitrogen gas, the electrochemical cell and the synthesis method, of the present invention may be applied to the production of other gaseous products from first and second ionic components.
In general, means are provided for introducing a first source material 5 (in the above example, steam H20) into the first volume 1 and means are provided for introducing a second source material 26 (in the above example, nitrogen N2) to a cathode 24. An electrolyte (in the above example in the form of the nitride conductor) is provided between anode 28 and cathode 24. Voltages +V and -V are applied respectively to the anode and cathode. At the cathode, a first ionic component (in the above example, N3-) is produced from the second source material. The first ionic component traverses the electrolyte under the influence of the voltage gradient between the anode and the ground electrode, towards the anode. Within the electrolyte, the first ionic component encounters the first source material, and a reaction takes place to generate a product (in the above example, ammonia NH3) and an ionic by-product (in the above example, oxide ions 02). The ionic by-product continues to traverse the electrolyte under the influence of the voltage gradient between the anode and the ground electrode, towards the anode. On reaching the anode, the ionic by-product gives up its charge and becomes an evolved by-product (in the above example, oxygen 02).
Means should be provided to collect the product and preferably also the evolved by-product. Means may also be provided to collect any by-products generated at the anode or cathode.
Although the anode is described as a gas electrode arranged for collection of a gaseous by-product, such arrangement may not ne necessary in electrochemical cells set up to perform a different reaction. In such cases, it may be sufficient to provide a solid cathode, in which case the third volume 3 may 25 be omitted.
Further modifications and variations are possible, within the scope of the invention as defined by the appended claims, as will be apparent to those skilled in the art.
Claims (15)
- CLAIMS1. An electrochemical cell (10) comprising a first volume exposed to respective surfaces of an anode (28) and a cathode (24), the electrochemical cell also being provided with a steam inlet (5) to allow steam into the first volume, characterised in that an electrically insulating porous material is positioned to impede steam from the steam inlet from reaching the anode (28).
- 2. An electrochemical cell according to claim 1 wherein the electrically insulating porous material is an aerogel.
- 3. An electrochemical cell according to claim 2 wherein the aerogel is a sol-gel derived silica.
- 4. An electrochemical cell according to any preceding claim wherein the cathode (24) is a gas electrode, comprising a porous cathode and a second volume (2).
- 5. An electrochemical cell according to any preceding claim wherein the anode (28) is a gas electrode, comprising a porous anode and a third volume (3).6. An electrochemical cell according to any preceding claim wherein the steam inlet (5) is provided with a steam diffuser (22).5. An arrangement for producing a gaseous product from 30 first and second source materials, comprising: -an electrochemical cell according to claim 1; -means (5, 22) for introducing a first source material into the first volume (1); - means (2, 24) for introducing a second source material (26) into the first (1); and -an electrolyte (20) provided in the first volume.
- 6. An arrangement according to claim 5, further comprising: - a power supply (7), arranged to apply a positive voltage +V to the anode (28), and to apply a negative voltage -V to the cathode (24).
- 7. An arrangement according to any preceding claim further comprising an enclosure (6) to trap the gaseous product.
- 8. A method for production of a gaseous product by use of an arrangement according to claim 5, comprising the steps of: 15 -applying a positive voltage +V to the anode (28); - applying a negative voltage -V to the cathode (24); - introducing first source material into the first volume (1); - introducing second source material into the second volume (2), said second source material reacting at the cathode to provide a first ionic component in the electrolyte in the first volume (1); - generating the gaseous product by reaction between the first ionic component and the first source material. 25 9. A method according to claim 8, further comprising the step of collecting (6) the gaseous product produced in the first volume.10. A method according to claim 8 or claim 9, further comprising the step of collecting a by-product generated at the anode.11. A method according to any of claims 8-10, wherein: -the first source material is steam H20; -the first ionic component is nitride ions N3; -the second source material is nitrogen N2; and -the gaseous product is ammonia NH3.12. An electrochemical cell substantially as described and/or as illustrated in the accompanying diagram.13. An arrangement substantially as described.14. A method for production of a gaseous product substantially as described and/or as illustrated in the accompanying diagram.AMENDMENTS TO CLAIMS HAVE BEEN FILED AS FOLLOWSCLAIMS1. An electrochemical cell (I0) arranged to generate ammonia NH, from nitrogen and steam, comprising a first volume which contains a nitride conductor (20) and is exposed to respective surfaces of an anode (28) and a gas cathode (24) provided with nitrogen gas, the electrochemical cell also being provided with a steam inlet (5) to allow steam into the first volume, characterised in that an electrically insulating porous material is positioned to impede steam from the steam inlet from reaching the anode (28).2. An electrochemical cell according to claim 1 wherein the electrically insulating porous material is an aerogel.3. An electrochemical cell according to claim 2 wherein the aerogel is a sol-gel derived silica.CO0 (24) is a gas electrode, comprising a porous cathode and a second volume (2).4. An electrochemical cell according to any preceding claim wherein the cathode (3) 5. An electrochemical cell according to any preceding claim wherein the anode C\I (28) is a gas electrode, comprising a porous anode and a third volume (3).6. An electrochemical cell according to any preceding claim wherein the steam inlet (5) is provided with a steam diffuser (22).7. An arrangement for producing a gaseous product from first and second source materials, comprising: an electrochemical cell according to claim 1; means (5, 22) for introducing a first source material into the first volume (I) ; means (2, 24) for introducing a second source material (26) into the first (1); and - an electrolyte (20) provided in the first volume, wherein: the first source material is steam H2O; - the second source material is nitrogen N,; and -the gaseous product is ammonia NH3.8. An arrangement according to claim 7, further comprising: a power supply (7), arranged to apply a positive voltage +V to the anode (28), and to apply a negative voltage -V to the cathode (24).
- 9. An arrangement according to any preceding claim further comprising an enclosure (6) to trap the gaseous product.
- 10. Amethod for production of a gaseous product by use of an arrangement according to claim 7, comprising the steps of: applying a positive voltage +V to the anode (28); applying a negative voltage -V to the cathode (24); introducing first source material into the first volume (1); introducing second source material into the second volume (2), said second r source material reacting at the cathode to provide a first ionic component in the cy) electrolyte in the first volume (1); 0 - generating the gaseous product by reaction between the first ionic component (7.3) and the first source material, CNJ wherein the first ionic component is nitride ions N3.
- 11. A method according to claim 10, further comprising the step of collecting (6) the gaseous product produced in the first volume.
- 12. A method according to claim 10 or claim 11, further comprising the step of collecting a by-product generated at the anode.
- 13. An electrochemical cell substantially as described and/or as illustrated in the accompanying diagram.
- 14. An arrangement substantially as described.
- 15. A method for production of a gaseous product substantially as described and/or as illustrated in the accompanying diagram.
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1510675.0A GB2539478B (en) | 2015-06-17 | 2015-06-17 | Electrochemical cell and process |
AU2016277802A AU2016277802B2 (en) | 2015-06-17 | 2016-06-17 | Electrochemical cell and process for synthesis of ammonia |
PCT/EP2016/064020 WO2016202989A1 (en) | 2015-06-17 | 2016-06-17 | Electrochemical cell and process for synthesis of ammonia |
DK16729595.5T DK3310944T3 (en) | 2015-06-17 | 2016-06-17 | Electrochemical cell and method of synthesis of ammonia |
EP16729595.5A EP3310944B1 (en) | 2015-06-17 | 2016-06-17 | Electrochemical cell and process for synthesis of ammonia |
US15/736,873 US10487407B2 (en) | 2015-06-17 | 2016-06-17 | Electrochemical cell and process |
CN201680035956.2A CN107810291B (en) | 2015-06-17 | 2016-06-17 | Electrochemical cell and process for ammonia synthesis |
ES16729595T ES2745523T3 (en) | 2015-06-17 | 2016-06-17 | Electrochemical cell and process for the synthesis of ammonia |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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GB1510675.0A GB2539478B (en) | 2015-06-17 | 2015-06-17 | Electrochemical cell and process |
Publications (3)
Publication Number | Publication Date |
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GB201510675D0 GB201510675D0 (en) | 2015-07-29 |
GB2539478A true GB2539478A (en) | 2016-12-21 |
GB2539478B GB2539478B (en) | 2017-11-22 |
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Family Applications (1)
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GB1510675.0A Expired - Fee Related GB2539478B (en) | 2015-06-17 | 2015-06-17 | Electrochemical cell and process |
Country Status (8)
Country | Link |
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US (1) | US10487407B2 (en) |
EP (1) | EP3310944B1 (en) |
CN (1) | CN107810291B (en) |
AU (1) | AU2016277802B2 (en) |
DK (1) | DK3310944T3 (en) |
ES (1) | ES2745523T3 (en) |
GB (1) | GB2539478B (en) |
WO (1) | WO2016202989A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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GB2539233B (en) * | 2015-06-10 | 2019-12-18 | Siemens Plc | Electrochemical cell |
CN109759044A (en) * | 2019-01-23 | 2019-05-17 | 河南师范大学 | A kind of method of prepare with scale for the cathod catalyst of electrochemistry formated ammonia |
CN113186554B (en) * | 2021-05-28 | 2024-01-30 | 西安热工研究院有限公司 | System and method for electrochemically preparing ammonia by utilizing flue gas of thermal power plant |
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WO2001090444A1 (en) * | 2000-05-22 | 2001-11-29 | Abb Power T & D Company Inc. | Integrated electrode for electrolytic capacitor applications |
US20030164305A1 (en) * | 2002-03-04 | 2003-09-04 | Adrian Denvir | Electrochemical synthesis of ammonia |
US20050087449A1 (en) * | 2002-03-04 | 2005-04-28 | Adrian Denvir | Electrochemical synthesis of ammonia |
WO2012030874A2 (en) * | 2010-08-31 | 2012-03-08 | President And Fellows Of Harvard College | Electrochemically functional membranes |
US20120241328A1 (en) * | 2011-03-23 | 2012-09-27 | Joshi Ashok V | Ammonia synthesis using lithium ion conductive membrane |
WO2015009155A1 (en) * | 2013-07-18 | 2015-01-22 | Technische Universiteit Delft | Electrolytic cell for the production of ammonia |
Family Cites Families (8)
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US6569298B2 (en) * | 2000-06-05 | 2003-05-27 | Walter Roberto Merida-Donis | Apparatus for integrated water deionization, electrolytic hydrogen production, and electrochemical power generation |
US6881308B2 (en) | 2002-03-04 | 2005-04-19 | Lynntech, Inc. | Electrochemical synthesis of ammonia |
DE10333853A1 (en) * | 2003-07-24 | 2005-02-24 | Bayer Materialscience Ag | Electrochemical cell |
DE102004018748A1 (en) | 2004-04-17 | 2005-11-10 | Bayer Materialscience Ag | Electrochemical cell |
US8075757B2 (en) * | 2006-12-21 | 2011-12-13 | Arizona Board Of Regents For And On Behalf Of Arizona State University | Method and apparatus for ammonia (NH3) generation |
JP5127385B2 (en) * | 2007-09-28 | 2013-01-23 | 学校法人同志社 | Ammonia electrosynthesis system |
US9458542B2 (en) * | 2011-03-26 | 2016-10-04 | Honda Motor Co., Ltd. | Materials and design for an electrocatalytic device and method which produces carbon nanotubes and hydrocarbon transportation fuels |
CN104630811B (en) * | 2015-02-13 | 2017-03-08 | 王海斌 | A kind of electrolysis ammonia-preparing device |
-
2015
- 2015-06-17 GB GB1510675.0A patent/GB2539478B/en not_active Expired - Fee Related
-
2016
- 2016-06-17 AU AU2016277802A patent/AU2016277802B2/en active Active
- 2016-06-17 EP EP16729595.5A patent/EP3310944B1/en active Active
- 2016-06-17 ES ES16729595T patent/ES2745523T3/en active Active
- 2016-06-17 WO PCT/EP2016/064020 patent/WO2016202989A1/en active Application Filing
- 2016-06-17 CN CN201680035956.2A patent/CN107810291B/en active Active
- 2016-06-17 DK DK16729595.5T patent/DK3310944T3/en active
- 2016-06-17 US US15/736,873 patent/US10487407B2/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001090444A1 (en) * | 2000-05-22 | 2001-11-29 | Abb Power T & D Company Inc. | Integrated electrode for electrolytic capacitor applications |
US20030164305A1 (en) * | 2002-03-04 | 2003-09-04 | Adrian Denvir | Electrochemical synthesis of ammonia |
US20050087449A1 (en) * | 2002-03-04 | 2005-04-28 | Adrian Denvir | Electrochemical synthesis of ammonia |
WO2012030874A2 (en) * | 2010-08-31 | 2012-03-08 | President And Fellows Of Harvard College | Electrochemically functional membranes |
US20120241328A1 (en) * | 2011-03-23 | 2012-09-27 | Joshi Ashok V | Ammonia synthesis using lithium ion conductive membrane |
WO2015009155A1 (en) * | 2013-07-18 | 2015-01-22 | Technische Universiteit Delft | Electrolytic cell for the production of ammonia |
Also Published As
Publication number | Publication date |
---|---|
EP3310944A1 (en) | 2018-04-25 |
WO2016202989A1 (en) | 2016-12-22 |
AU2016277802B2 (en) | 2019-07-04 |
US10487407B2 (en) | 2019-11-26 |
AU2016277802A1 (en) | 2017-12-14 |
ES2745523T3 (en) | 2020-03-02 |
CN107810291B (en) | 2020-03-27 |
DK3310944T3 (en) | 2019-08-12 |
GB201510675D0 (en) | 2015-07-29 |
EP3310944B1 (en) | 2019-06-12 |
US20180171487A1 (en) | 2018-06-21 |
GB2539478B (en) | 2017-11-22 |
CN107810291A (en) | 2018-03-16 |
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PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20190617 |